Security is the one of the important aspects you need to have on your computer. You don’t need to worry much about it because Windows has equipped the system with Windows Defender that can secure your PC from virus, spyware or other malware programs. However, some Windows users reported that their Windows Defender not turning on. This is a problem that you need to solve as soon as possible. Hence, follow the tutorial in this post to fix Windows Defender not turning on in Windows.
How to Fix Windows Defender Not Turning on in Windows 10/8/7
Solution 1. Install Latest Update
One of the reason the Windows Defender not turning on in Windows is your system is outdated. Remember once again the last time you check the update for your Windows system. If you haven’t updated your Windows system for quite some time, then it is the perfect time to do. Hope you can turn on the Windows Defender after installing the latest update to secure your PC.
Solution 2. Uninstall Antivirus Software
When you install a third-party antivirus software, Windows system will automatically detect and disable the Windows Defender. So, let’s try to uninstall the third-party antivirus software to see if the Windows Defender will active again after this.
- Go to Control Panel > Programs and Features.
- Search for the Antivirus software and right click on it.
- Choose Uninstall to remove the program completely.
- Reboot PC.
Try to open Windows Defender to see if it can be turned on again.
Solution 3. Restart the Security Center Service
The Windows Defender sill cannot turning on after you did the methods above? Let’s try another method, restart the security center service. The instructions are as follows:
- Hit Windows + R keys on your keyboard together to launch the Run box.
- Type services.msc in the box and hit Enter.
- In the Services interface, search for Security Center service and right-click on it then choose the Restart option.
That’s all how to fix Windows Defender not turning on in Windows 10/8/7. Hopefully they can help you turn on the Windows Defender again to secure your PC from virus, spyware or other malware. However, if the error persists, you might need to do a Reset PC. This will reset your PC to the default.
For queries and suggestions, you are welcome to contact us. Thank you for reading, Folks!